英语词汇“automatic block signal system”的翻译、意思、用法、释义-英汉汉英词典

单词	automatic block signal system
释义	automatic block signal system 【运输工程】自动闭塞信号系统以上来源于：《21世纪大英汉词典》
随便看	nipissings nipi structures nipkov disk nipkow disc nipkow (rotating) disc nipkow [rotating] disc nip off nip on ahead nip out nip-out nip-padding nipped nipped-in nipped, nipt nipper nipper crab nippered nippering nipperkin nipperkins nipper knife nipper of a crab nipper plate nippers nippers; needle-nose pliers